usb_busdma: Add USB_NEED_BUSDMA_COHERENT_ALLOC

Some BSPs have a cache-coherent memory area, however, it should not be
used for the USB controller.

rtemsbsd/include/rtems/bsd/local/opt_usb.h

@@ -1,4 +1,5 @@
 #include <rtems/bsd/modules.h>
+#include <bsp.h>
 
 #define USB_HAVE_CONDVAR 1
 
@@ -6,6 +7,10 @@
 
 #define USB_HAVE_BUSDMA 1
 
+#if !defined(LIBBSP_ARM_IMX_BSP_H) && !defined(LIBBSP_ARM_STM32H7_BSP_H)
+#define USB_NEED_BUSDMA_COHERENT_ALLOC 1
+#endif
+
 #define USB_HAVE_COMPAT_LINUX 0
 
 #define USB_HAVE_USER_IO 0